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  <title>Seeks to the specified field offset</title>

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</div><hr /><div id="function.mssql-field-seek" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mssql_field_seek</h1>
  <p class="verinfo">(PHP 4, PHP 5, PECL odbtp &gt;= 1.1.1)</p><p class="refpurpose"><span class="refname">mssql_field_seek</span> &mdash; <span class="dc-title">Seeks to the specified field offset</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.mssql-field-seek-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>mssql_field_seek</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$field_offset</code></span>
   )</div>

  <p class="para rdfs-comment">
   Seeks to the specified field offset.  If the next call to
   <span class="function"><a href="function.mssql-fetch-field.html" class="function">mssql_fetch_field()</a></span> won&#039;t include a field
   offset, this field would be returned.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.mssql-field-seek-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">result</code></em></dt>

     <dd>

      <p class="para">
       The result resource that is being evaluated. This result comes from a
       call to <span class="function"><a href="function.mssql-query.html" class="function">mssql_query()</a></span>.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">field_offset</code></em></dt>

     <dd>

      <p class="para">
       The field offset, starts at 0.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.mssql-field-seek-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.mssql-field-seek-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1504">
    <p><strong>Example #1 Using <span class="function"><strong>mssql_field_seek()</strong></span> on the example for <span class="function"><a href="function.mssql-fetch-field.html" class="function">mssql_fetch_field()</a></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//&nbsp;Connect&nbsp;to&nbsp;MSSQL&nbsp;and&nbsp;select&nbsp;the&nbsp;database<br /></span><span style="color: #0000BB">mssql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'MANGO\SQLEXPRESS'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'sa'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'phpfi'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">mssql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">'php'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Send&nbsp;a&nbsp;select&nbsp;query&nbsp;to&nbsp;MSSQL<br /></span><span style="color: #0000BB">$query&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">mssql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">'SELECT&nbsp;*&nbsp;FROM&nbsp;[php].[dbo].[persons]'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Construct&nbsp;table<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'&lt;h3&gt;Table&nbsp;structure&nbsp;for&nbsp;\'persons\'&lt;/h3&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;table&nbsp;border="1"&gt;'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;Table&nbsp;header<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'&lt;thead&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;tr&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;td&gt;Field&nbsp;name&lt;/td&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;td&gt;Data&nbsp;type&lt;/td&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;td&gt;Max&nbsp;length&lt;/td&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;/tr&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;/thead&gt;'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;Dump&nbsp;all&nbsp;fields<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'&lt;tbody&gt;'</span><span style="color: #007700">;<br /><br />for&nbsp;(</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">mssql_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">);&nbsp;++</span><span style="color: #0000BB">$i</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Fetch&nbsp;the&nbsp;field&nbsp;information,&nbsp;notice&nbsp;the&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;field_offset&nbsp;parameter&nbsp;is&nbsp;not&nbsp;set.&nbsp;See&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;the&nbsp;mssql_field_seek&nbsp;call&nbsp;below<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$field&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">mssql_fetch_field</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;the&nbsp;row<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'&lt;tr&gt;'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'&lt;td&gt;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$field</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">name&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">'&lt;/td&gt;'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'&lt;td&gt;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">strtoupper</span><span style="color: #007700">(</span><span style="color: #0000BB">$field</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">type</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">'&lt;/td&gt;'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'&lt;td&gt;'&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$field</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">max_length&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">'&lt;/td&gt;'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'&lt;/tr&gt;'</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Move&nbsp;the&nbsp;internal&nbsp;seek&nbsp;pointer&nbsp;to&nbsp;the&nbsp;next<br />&nbsp;&nbsp;&nbsp;&nbsp;//&nbsp;row&nbsp;in&nbsp;the&nbsp;result&nbsp;set<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">mssql_field_seek</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />}<br /><br />echo&nbsp;</span><span style="color: #DD0000">'&lt;/tbody&gt;'</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #DD0000">'&lt;/table&gt;'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;Free&nbsp;the&nbsp;query&nbsp;result<br /></span><span style="color: #0000BB">mssql_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.mssql-field-seek-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.mssql-fetch-field.html" class="function" rel="rdfs-seeAlso">mssql_fetch_field()</a> - Get field information</span></li>
   </ul>
  </p>
 </div>

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